Add latency info to input events sent to RenderWidget.

content/renderer/idle_user_detector.h

Index: content/renderer/idle_user_detector.h
diff --git a/content/renderer/idle_user_detector.h b/content/renderer/idle_user_detector.h
index ab45ed0cae3a964cbb3e492c01908c7880398fb2..65107e3d8f32160ae2e124168bf5fdafea940fe1 100644
--- a/content/renderer/idle_user_detector.h
+++ b/content/renderer/idle_user_detector.h
@@ -12,6 +12,10 @@ namespace WebKit {
 class WebInputEvent;
 }
 
+namespace cc {
+struct LatencyInfo;
+}
+
 namespace content {
 
 // Class which observes user input events and postpones
@@ -26,6 +30,7 @@ class IdleUserDetector : public RenderViewObserver {
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   void OnHandleInputEvent(const WebKit::WebInputEvent* event,
+                          const cc::LatencyInfo& latency_info,
                           bool is_keyboard_shortcut);
 
   DISALLOW_COPY_AND_ASSIGN(IdleUserDetector);